Bartram Richard (CIK 1723729) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-03). Recent activity: Buy MBX (15,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-03 | MBX Biosciences, Inc. (MBX) | Chief Financial Officer | Buy | 15,000 | $0 |
Source: SEC Form 4 filings · as of 2026-02-03